Trail Running calendar near Builth Wells 2026-2027

Experience an off road 10 km single lap through the trails of Wyre Forest in this summer evening race. This inclusive event welcomes canicross runners and offers a focused racing environment starting from the Callow Hill Visitor Centre.

A 48-mile point-to-point ultra marathon tracing the River Severn from Mid Wales to Shrewsbury. Participants must maintain a minimum pace to pass checkpoints, with vegan and gluten-free food available. Finishers receive a bespoke medal and t..

Experience a varied multi terrain race through the woods and fields of Wiltshire. Runners can choose between a 6 mile course and a 2 km junior race with local refreshments provided at the finish.

This 57-mile point-to-point ultramarathon follows the River Severn from Worcester to Stonehouse. Runners pass through several towns on a comparatively flat course. All finishers receive a bespoke medal and head visor.

Experience a self navigated trail adventure through the Brecon Beacons National Park with distances ranging from a half marathon to an 80 km ultra. Enjoy full support including medical care and tracking across the stunning Black Mountains.

Experience the landscape of Eryri National Park with a range of trail races from 10k to a 57km ultra marathon starting and finishing in Llanberis. Run through iconic Welsh landmarks with full course support and chip timing.

Test your endurance on the highest peak in Wales with a 24 hour ultra trail challenge. Run solo or in a relay team to complete as many ascents of Yr Wyddfa as possible in this UTMB indexed event.

Explore twelve local parishes through the Worcester countryside on circular off road routes ranging from 10 to 40 miles. Walk or run this waymarked event featuring regular checkpoints and a hot meal at the finish.

Run the scenic Shropshire Hills at The Piece of Cake Trail Run in Carding Mill Valley with 10K, half marathon and marathon distances. Enjoy marked trails, aid stations, a finisher medal and a cake competition.

Join the Butterfly Run at Parc Taf Bargoed with rock up and run starts across distances from 5 km to ultra on a scenic tarmac course with a short riverside trail. Staggered starts, aid stations and an optional supersized spinning medal awai..

Experience the scenic Shropshire countryside with the Ludlow10 running event. Choose between a half marathon, 10k, or 5k featuring rural lanes, historic town streets, and undulating off road sections at Whitcliffe Common.

Join this multi lap marathon and half marathon event in Worcester featuring a flat off road course. Run solo or in relay teams with fancy dress and support local stroke recovery charities.

Explore the limestone cliffs and golden beaches of South Wales in the Gower Peninsula Ultra Challenge. Choose from multiple distances between 10km and 100km with full support and camping at the historic Penrice Castle basecamp.

Rabbit Run Wales offers stunning trail races on the private Merthyr Mawr Estate. Runners can choose a 12K route over hills, valleys, and sand dunes, or a 40K tour along the dramatic Glamorgan Heritage Coast.

Cross all fourteen 3000ft peaks in Snowdonia on this guided 50km mountain challenge. Choose between a continuous 20-hour push or a two-day journey with expert leaders and full support.

Experience the beauty of the Wales Coast Path with three linear trail races finishing in Cardiff Bay. Choose between 100, 50, or 30 mile distances featuring rugged cliffs, golden beaches, and historic landmarks.

Test your physical endurance at Huntley Estate with eight strength tests and eight one kilometer off road trail runs. Earn your official time and medal in this outdoor challenge organized by Trimax Events.

Test your endurance at this 12 hour night running event in Bridgend. Navigate forest trails and hills across multiple 10 mile loops starting at dusk and finishing at dawn.

Experience a unique run through the 1.1 km Tidenham tunnel and along the scenic Wye Valley Greenway with distances ranging from a marathon to family friendly colourburst races.

A scenic trail run in Herefordshire starting from Aymestrey. Choose between a 10-mile route with 1,800 feet of climb or a 5-mile option. The course features lanes, forest tracks, and trails.